@koss_zach 
23.6
Hand Speed (max)
1/31/21
CLASS OF 2023
OF
Zach
Koss
Horizon (HS) • AZ
5' 8" • 165LBS
R/R • 20yr 5mo
Travel Team: AZ Athletics
Rankings
2023 National
Rankings available to Premium Subscriber
2023 State
Rankings available to Premium Subscriber
Commitment
Best Of Stats
74
Bat Speed (max)
1/31/21
16.4
Rot. Acc (max)
8/16/20
13
Hard Hit %
1/30/22
90.9
Exit Velocity (max)
1/30/22
85.7
Exit Velocity (avg)
8/16/20
314
Distance (max)
8/16/20
57
Sweet Spot %
1/31/21
6.52
60-yd
1/30/22
-
30-yd
-
10-yd
-
Run speed (max)
-
INF Velo
86
OF Velo
1/30/22
-
C Velo
-
Pop Time
Positional Tools
2022
2021
2020
Sign in to view rankings 
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.52
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
86.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
13.9
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
7.14
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
81.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
12.1
60 Yard Dash
The athlete's fastest 60-yard dash time in the given event year. Measured in seconds (s)
6.87
Outfield Velocity
The athlete's maximum throwing velocity from an outfield position in the given event year. Measured in miles per hour (MPH).
83.0
Power / Speed Score
A simple calculation that divides the athlete’s Exit Velocity Max by the athlete’s 60 Yard Dash time for the given event year. For example, 98 MPH / 7.00s = 14.00.
13.2
Hitting
2022
2021
2020
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
90.9
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
78.0
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
311
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
162
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
18.5
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
86.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
73.8
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
288
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
169
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
21.7
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
Exit Velocity Max
The highest exit velocity of any batted ball in the given event year. Measured in miles per hour (MPH).
90.3
Exit Velocity Avg
Average exit velocity of all batted balls in the given event year. Measured in miles per hour (MPH).
85.7
Distance Max
The highest flight distance of any batted ball in the given event year. Measured in feet (ft).
314
Distance Avg
Average flight distance of all batted balls in the given event year. Measured in feet (ft).
97
Launch Angle Avg
Average launch angle of all batted balls in the given event year. Measured in degrees.
2.1
Hard Hit %
Percentage of batted balls with exit velocities over 95 MPH in the given event year.
Sweet Spot %
Percentage of batted balls in the given event year with a launch angle between 8° and 32°.
Line Drive %
Percentage of batted balls with launch angles between 10 and 25 degrees in the given event year.
Fly Ball %
Percentage of batted balls with launch angles between 25 and 50 degrees in the given event year.
Ground Ball %
Percentage of batted balls with launch angles below 10 degrees in the given event year.
2022 Preseason All-State Games: Upperclass (Invite-Only)
Jan 30, 2022
Trackman - Hitting
90.9
Exit Velocity (max)
78.0
Exit Velocity (avg)
162
Distance (avg)
311
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Preseason All-State Games (Underclass)
Jan 31, 2021
Trackman - Hitting
86.3
Exit Velocity (max)
73.8
Exit Velocity (avg)
169
Distance (avg)
288
Distance (max)
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Arizona Fall Review
Dec 6, 2020
Trackman - Hitting
89.2
Exit Velocity (max)
62.8
Exit Velocity (avg)
88
Distance (avg)
218
Distance (max)
Line Drive %
Fly Ball %
Ground Ball %
Arizona Summer Review
Aug 16, 2020
Trackman - Hitting
90.3
Exit Velocity (max)
85.7
Exit Velocity (avg)
97
Distance (avg)
314
Distance (max)
Hard Hit %
Sweet Spot %
Line Drive %
Fly Ball %
Ground Ball %
Hitting
2022
2021
2020
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
22.0
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.6
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
66.2
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
64.9
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
23.6
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
21.9
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
74.0
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
68.7
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
Hand Speed Max
The highest Peak Hand Speed of any swing in the given event year.
22.8
Hand Speed Avg
The average Peak Hand Speed for all swings in the given event year.
20.1
Bat Speed Max
The highest Bat Speed of any swing in the given event year.
69.7
Bat Speed Avg
The average Bat Speed for all swings in the given event year.
62.7
Rotational Acceleration Max
The highest Rotational Acceleration of any swing in the given event year.
Rotational Acceleration Avg
The average Rotational Acceleration for all swings in the given event year.
On-Plane Efficiency Max
The highest On-Plane Efficiency of any swing in the given event year.
On-Plane Efficiency Avg
The average On-Plane Efficiency for all swings in the given event year.
2022 Preseason All-State Games: Upperclass (Invite-Only)
Jan 30, 2022
Blast - Hitting
22.0
Hand Speed (max)
21.6
Hand Speed (avg)
66.2
Bat Speed (max)
64.9
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Preseason All-State Games (Underclass)
Jan 31, 2021
Blast - Hitting
23.6
Hand Speed (max)
21.9
Hand Speed (avg)
74.0
Bat Speed (max)
68.7
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Arizona Fall Review
Dec 6, 2020
Blast - Hitting
22.8
Hand Speed (max)
20.2
Hand Speed (avg)
69.7
Bat Speed (max)
64.2
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
Arizona Summer Review
Aug 16, 2020
Blast - Hitting
22.1
Hand Speed (max)
20.0
Hand Speed (avg)
67.0
Bat Speed (max)
61.3
Bat Speed (avg)
Rot. Acc (max)
Rot. Acc (avg)
On Plane Eff (avg)
MaxOnPlaneEfficiency
Pitching
Pitch Scores
Pitching Velos
Game Performance
Vizual Edge
2022
Edge Score
The highest Edge Score within the given year. Edge Score is a comprehensive score that takes the core-six visual skills into account, providing an assessment of an athlete’s overall visual ability.
70.93
Pitch Ai
Notes
Comments
Draft Reports
Contact
Premium Content Area
To unlock contact information, you need to purchase a ScoutPLUS subscription.
Purchase Subscription OR
Login
Zach Koss, Horizon (AZ), 2023
Positional Profile: OF/C
Body: 5-8, 150-pounds. Medium compact frame, athletic body, proportional, good athleticism.
Hit: RHH. Narrow upright base, open stance. Uses slight leg lift, riding into front foot strike. Weight stays on the backside through swing. Loads hands back with some rhythm. Downward swing plane, accelerating on plane with some quickness. Middle approach.
Power: 90 mph exit velocity from the tee. Hard ground balls with a couple hard LD's up the middle. Gets started late at times.
Arm: Right-Handed. OF - 83 mph. Throws from a higher arm slot with average arm action. Varying accuracy to the bag.
Defense: Flat foot work in the OF with heavier feet. Late first step. Raw hands, stabbing with his glove. Runs with glove up.
Run: 6.87 runner in the 60.